I started experiencing this hang after I upgraded from Kubuntu 13.04 to
13.10 yesterday (both 64 bit).
The freeze usually happens when I try to context switch between windows
running Firefox or between Firefox/Thunderbird windows. It also happens
when I close windows. The problem is not consiste
Follow up to comment 25.
Sometimes the hang happens even while browsing within a Firefox window.
I saw the following in dmesg around the time of the problems. I tried
Ctl-Alt-F1/Ctl-Alt-F7 and the graphics screen hung (black screen with
moveable mouse cursor). I do recall seeing the login scree
The problem disappeared when I switched to the nvidia propreitary
driver.
$ dpkg -l | grep nvidia
rc libkwinnvidiahack44:4.10.5-0ubuntu0.2
amd64library used by nvidia cards for the KDE window manager
ii nvidia-304-updates304.108-0u
The following sequence causes a crash for me consistently:
1. Start LibreOffice writer (lowriter &).
2. Type in something.
3. File -> Save.
4. Type in a filename.
5. Click save.
Sometimes, the crash occurs when typing in a filename. At other times,
it happens when clicking save.
No file is saved
